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Diffstat (limited to 'common/usb.c')
-rw-r--r--common/usb.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/common/usb.c b/common/usb.c
index 736cd9f..32e15cd 100644
--- a/common/usb.c
+++ b/common/usb.c
@@ -59,6 +59,7 @@ int usb_init(void)
void *ctrl;
struct usb_device *dev;
int i, start_index = 0;
+ int controllers_initialized = 0;
int ret;
dev_index = 0;
@@ -78,6 +79,7 @@ int usb_init(void)
ret = usb_lowlevel_init(i, USB_INIT_HOST, &ctrl);
if (ret == -ENODEV) { /* No such device. */
puts("Port not available.\n");
+ controllers_initialized++;
continue;
}
@@ -89,6 +91,7 @@ int usb_init(void)
* lowlevel init is OK, now scan the bus for devices
* i.e. search HUBs and configure them
*/
+ controllers_initialized++;
start_index = dev_index;
printf("scanning bus %d for devices... ", i);
dev = usb_alloc_new_device(ctrl);
@@ -110,12 +113,10 @@ int usb_init(void)
debug("scan end\n");
/* if we were not able to find at least one working bus, bail out */
- if (!usb_started) {
+ if (controllers_initialized == 0)
puts("USB error: all controllers failed lowlevel init\n");
- return -1;
- }
- return 0;
+ return usb_started ? 0 : -1;
}
/******************************************************************************
@@ -969,6 +970,8 @@ int usb_new_device(struct usb_device *dev)
printf("\n Couldn't reset port %i\n", dev->portnr);
return 1;
}
+ } else {
+ usb_reset_root_port();
}
#endif